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1e57a462 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
01674afd | 4 | Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.\r |
3402aac7 | 5 | \r |
1e57a462 | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | #include <Base.h>\r | |
16 | #include <Library/ArmLib.h>\r | |
17 | #include <Library/PcdLib.h>\r | |
18 | \r | |
19 | VOID\r | |
20 | CacheRangeOperation (\r | |
21 | IN VOID *Start,\r | |
22 | IN UINTN Length,\r | |
1e57a462 | 23 | IN LINE_OPERATION LineOperation\r |
24 | )\r | |
25 | {\r | |
26 | UINTN ArmCacheLineLength = ArmDataCacheLineLength();\r | |
27 | UINTN ArmCacheLineAlignmentMask = ArmCacheLineLength - 1;\r | |
3402aac7 | 28 | \r |
6ea34e3a AB |
29 | // Align address (rounding down)\r |
30 | UINTN AlignedAddress = (UINTN)Start - ((UINTN)Start & ArmCacheLineAlignmentMask);\r | |
31 | UINTN EndAddress = (UINTN)Start + Length;\r | |
1e57a462 | 32 | \r |
6ea34e3a AB |
33 | // Perform the line operation on an address in each cache line\r |
34 | while (AlignedAddress < EndAddress) {\r | |
35 | LineOperation(AlignedAddress);\r | |
36 | AlignedAddress += ArmCacheLineLength;\r | |
1e57a462 | 37 | }\r |
38 | }\r | |
39 | \r | |
40 | VOID\r | |
41 | EFIAPI\r | |
42 | InvalidateInstructionCache (\r | |
43 | VOID\r | |
44 | )\r | |
45 | {\r | |
46 | ArmCleanDataCache();\r | |
47 | ArmInvalidateInstructionCache();\r | |
48 | }\r | |
49 | \r | |
50 | VOID\r | |
51 | EFIAPI\r | |
52 | InvalidateDataCache (\r | |
53 | VOID\r | |
54 | )\r | |
55 | {\r | |
56 | ArmInvalidateDataCache();\r | |
57 | }\r | |
58 | \r | |
59 | VOID *\r | |
60 | EFIAPI\r | |
61 | InvalidateInstructionCacheRange (\r | |
62 | IN VOID *Address,\r | |
63 | IN UINTN Length\r | |
64 | )\r | |
65 | {\r | |
6ea34e3a | 66 | CacheRangeOperation (Address, Length, ArmCleanDataCacheEntryByMVA);\r |
1e57a462 | 67 | ArmInvalidateInstructionCache ();\r |
68 | return Address;\r | |
69 | }\r | |
70 | \r | |
71 | VOID\r | |
72 | EFIAPI\r | |
73 | WriteBackInvalidateDataCache (\r | |
74 | VOID\r | |
75 | )\r | |
76 | {\r | |
77 | ArmCleanInvalidateDataCache();\r | |
78 | }\r | |
79 | \r | |
80 | VOID *\r | |
81 | EFIAPI\r | |
82 | WriteBackInvalidateDataCacheRange (\r | |
83 | IN VOID *Address,\r | |
84 | IN UINTN Length\r | |
85 | )\r | |
86 | {\r | |
6ea34e3a | 87 | CacheRangeOperation(Address, Length, ArmCleanInvalidateDataCacheEntryByMVA);\r |
1e57a462 | 88 | return Address;\r |
89 | }\r | |
90 | \r | |
91 | VOID\r | |
92 | EFIAPI\r | |
93 | WriteBackDataCache (\r | |
94 | VOID\r | |
95 | )\r | |
96 | {\r | |
97 | ArmCleanDataCache();\r | |
98 | }\r | |
99 | \r | |
100 | VOID *\r | |
101 | EFIAPI\r | |
102 | WriteBackDataCacheRange (\r | |
103 | IN VOID *Address,\r | |
104 | IN UINTN Length\r | |
105 | )\r | |
106 | {\r | |
6ea34e3a | 107 | CacheRangeOperation(Address, Length, ArmCleanDataCacheEntryByMVA);\r |
1e57a462 | 108 | return Address;\r |
109 | }\r | |
110 | \r | |
111 | VOID *\r | |
112 | EFIAPI\r | |
113 | InvalidateDataCacheRange (\r | |
114 | IN VOID *Address,\r | |
115 | IN UINTN Length\r | |
116 | )\r | |
117 | {\r | |
6ea34e3a | 118 | CacheRangeOperation(Address, Length, ArmInvalidateDataCacheEntryByMVA);\r |
1e57a462 | 119 | return Address;\r |
120 | }\r |